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2009
Journal Article
Titel
Olefin bonding mechanism and growth to (1 0 0)(2 × 1):H diamond
Alternative
Olefin-Bindungsmechanismus und Wachstum auf (100)(2x1):H Diamant-Oberflächen
Abstract
The bonding and growth mechanism of photochemically attached olefin molecules to (1 0 0)(2 × 1):H diamond is characterized using atomic force (AFM) and scanning tunneling microscopy (STM) experiments in combination with molecular orbital calculations. To identify growth schemas, diamond surfaces after 10, 40 and 90 min of photo-chemically stimulated growth have been characterized. These data show clearly island formation which is discussed taking into account a growth model from silicon. The island growth shows no directional properties which are attributed to arrangement and geometrical properties of hydrogen terminated carbon bonds at the surface of (1 0 0) oriented (2 × 1) reconstructed diamond.
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